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Article History

Received: 4 July 2018

Accepted: 16 November 2018

First Online: 26 November 2018

Ethics approval and consent to participate

: All procedures performed in this study have been reviewed and approved by the Institutional Review Board, Royal Thai Army Medical Department in compliance with international guidelines such as the Declaration of Helsinki, the Belmont Report, CIOMS Guidelines and the International Conference on Harmonisation of Technical Requirements for Registration of Pharmaceuticals for Human Use – Good Clinical Practices (ICH – GCP).

: Informed consent was obtained from all individual participants included in the study.

: The authors declare that they have no competing interests.

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